Sylvia F. Longknife, LCPC
Mental Health Counselor · Polson, MT
Sylvia F. Longknife, LCPC is a mental health counselor with a practice address in Polson, Montana, and NPI 1942490511, issued on Jul 30, 2007. Check the license (Montana 1262, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sylvia F. Longknife
- Credential
- LCPC
- Primary taxonomy
- Mental Health Counselor 101YM0800X
- License number
- 1262 MT
Self-reported in NPPES; status is on the state search - Practice location
- 107 8TH Ave W, Polson, MT 59860
- Phone
- (406) 883-6333
- Enumerated
- Jul 30, 2007
- Record last updated
- Jul 30, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (406) 883-6332
- Medicare enrollment
- Enrolled (PECOS I20240603000975); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest mental health counselor records → All 1,146 in Montana → Look up another NPI →
Verify Sylvia F. Longknife in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 1262Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- U S Health Dept OF Health And Human ServicesPoplar, MT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sylvia F. Longknife among 1,146 mental health counselor records in Montana
Sylvia F. Longknife, LCPC is one of 1,146 mental health counselor records with a practice address in Montana. 7% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 8% of them.
- NPI issued2007 · 8% of these records are older, 84% newer
- In a Medicare fileYes · 7% of these records are
- In the CMS Doctors and Clinicians fileYes · 16% of these records are
- Graduated2006 · median 2015 among the 185 with a school on file
- Record last updated2007 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YM0800X and a Montana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 mental health counselor records list a practice address in Polson
They are 10 of the 280 NPPES records with a practice address in Polson, and 1,146 mental health counselor records in Montana.
All 1,146 in Montana → Every provider in Polson → Mental Health Counselor nationwide →
The 8 mental health counselor records with the nearest ZIP codes
- Katie Bateman, LCPCPolson, MT 598601346631355
- Shasta Baum-Strait, LCPCPolson, MT 598601336700814
- Siera Donovan, PCLCPolson, MT 598601700678034
- Rachel Edington, LCPCPolson, MT 598601447034434
- Patricia Frickson, MSPolson, MT 598601891980090
- Marissa Ilac, LCPCPolson, MT 598601497339493
- Emily Michalik, M.ED.Polson, MT 598601730709734
- Amber TatkenhorstPolson, MT 598601861326324
Common questions
What is Sylvia F. Longknife, LCPC's NPI number?
Sylvia F. Longknife, LCPC's National Provider Identifier (NPI) is 1942490511, issued on Jul 30, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Sylvia F. Longknife, LCPC located?
The NPPES record lists a practice address at 107 8TH Ave W, Polson, MT, 59860. Phone: (406) 883-6333. Providers update this record themselves, so call before visiting.
How can I verify Sylvia F. Longknife, LCPC's license?
NPPES lists Montana license number 1262, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.